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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2021
Accounting Policies [Abstract] |
Schedule of Calculation of Numerator and Denominator in EPS | The following table sets forth the computation of basic and diluted earnings per share (in thousands, except per share amounts):
| Year Ended December 31,
| 2021 |  | 2020 |  | 2019
Numerator: |  |  |  |  |
Net income | $ | 124,909 |  |  | $ | 106,579 |  |  | $ | 164,618 |
Denominator: |  |  |  |  |
Weighted-average common shares for calculating basic earnings per share | 40,975 |  |  | 41,502 |  |  | 43,020 |
Effect of dilutive securities: |  |  |  |  |
Stock options and restricted stock unit awards | 49 |  |  | 98 |  |  | 188 |
Weighted-average common shares for calculating diluted earnings per share | 41,024 |  |  | 41,600 |  |  | 43,208 |
Earnings per share: |  |  |  |  |
Basic | $ | 3.05 |  |  | $ | 2.57 |  |  | $ | 3.83 |
Diluted | 3.04 |  |  | 2.56 |  |  | 3.81 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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